5
votes
2answers
270 views

Lack of composite indexes for meta tables

Why wp_commentmeta table does not have a composite index (comment_id, meta_key) by default? I believe it's the only useful index for that table, am I wrong? Instead, it has a strange set of indexes: ...
1
vote
1answer
302 views

How to update Post Meta values through the comment system

I'm working on allowing users to rate posts - through the comment meta. Storing and displaying individual ratings is working, however, I would like to be able to store the average rating in the post ...